1987346512

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{4447}}^1$

素因数の和:4556

約数の個数: 80

約数和(自身を含む): 4288868352

約数和(自身を除く): 2301521840

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 53, 62, 68, 106, 124, 136, 212, 248, 272, 424, 496, 527, 848, 901, 1054, 1643, 1802, 2108, 3286, 3604, 4216, 4447, 6572, 7208, 8432, 8894, 13144, 14416, 17788, 26288, 27931, 35576, 55862, 71152, 75599, 111724, 137857, 151198, 223448, 235691, 275714, 302396, 446896, 471382, 551428, 604792, 942764, 1102856, 1209584, 1885528, 2205712, 2343569, 3771056, 4006747, 4687138, 7306421, 8013494, 9374276, 14612842, 16026988, 18748552, 29225684, 32053976, 37497104, 58451368, 64107952, 116902736, 124209157, 248418314, 496836628, 993673256, 1987346512]

約数ペア:

[(1, 1987346512), (2, 993673256), (4, 496836628), (8, 248418314), (16, 124209157), (17, 116902736), (31, 64107952), (34, 58451368), (53, 37497104), (62, 32053976), (68, 29225684), (106, 18748552), (124, 16026988), (136, 14612842), (212, 9374276), (248, 8013494), (272, 7306421), (424, 4687138), (496, 4006747), (527, 3771056), (848, 2343569), (901, 2205712), (1054, 1885528), (1643, 1209584), (1802, 1102856), (2108, 942764), (3286, 604792), (3604, 551428), (4216, 471382), (4447, 446896), (6572, 302396), (7208, 275714), (8432, 235691), (8894, 223448), (13144, 151198), (14416, 137857), (17788, 111724), (26288, 75599), (27931, 71152), (35576, 55862)]